On Mar 16, 2008 15:13 -0500, William Tambe wrote: > When designing a filesystem, is fragmentation really an issue if > access to the disk can be done using scatter-gather DMA techics ? Yes!!! Scatter-gather only handles "fragmentation" in memory, where seek time is zero. If there is fragmentation on disk you pay 8ms for each fragment in the read. Cheers, Andreas -- Andreas Dilger Sr. Staff Engineer, Lustre Group Sun Microsystems of Canada, Inc. _______________________________________________ Ext3-users mailing list Ext3-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/ext3-users
